// Copyright 2020 The Cockroach Authors.
// Copyright (c) 2022-present, Shanghai Yunxi Technology Co, Ltd. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This software (KWDB) is licensed under Mulan PSL v2.
// You can use this software according to the terms and conditions of the Mulan PSL v2.
// You may obtain a copy of Mulan PSL v2 at:
//          http://license.coscl.org.cn/MulanPSL2
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
// EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
// MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
// See the Mulan PSL v2 for more details.

package kvnemesis

import (
	"strings"
	"testing"

	"gitee.com/kwbasedb/kwbase/pkg/util/leaktest"
	"github.com/stretchr/testify/assert"
)

func TestOperationsFormat(t *testing.T) {
	defer leaktest.AfterTest(t)()

	tests := []struct {
		step     Step
		expected string
	}{
		{step: step(get(`a`)), expected: `db0.Get(ctx, "a")`},
		{step: step(batch(get(`b`), get(`c`))), expected: `
			{
			  b := &Batch{}
			  b.Get(ctx, "b")
			  b.Get(ctx, "c")
			  db0.Run(ctx, b)
			}
		`},
		{
			step: step(closureTxn(ClosureTxnType_Commit, batch(get(`d`), get(`e`)), put(`f`, `g`))),
			expected: `
			db0.Txn(ctx, func(ctx context.Context, txn *kv.Txn) error {
			  {
			    b := &Batch{}
			    b.Get(ctx, "d")
			    b.Get(ctx, "e")
			    txn.Run(ctx, b)
			  }
			  txn.Put(ctx, "f", g)
			  return nil
			})
			`,
		},
	}

	for _, test := range tests {
		expected := strings.TrimSpace(test.expected)
		var actual strings.Builder
		test.step.format(&actual, formatCtx{indent: "\t\t\t"})
		assert.Equal(t, expected, strings.TrimSpace(actual.String()))
	}
}
